001/** 002 * 003 * Copyright 2019 Florian Schmaus. 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.jivesoftware.smack.util; 018 019import java.io.PrintWriter; 020import java.io.StringWriter; 021 022public class ExceptionUtil { 023 024 public static String getStackTrace(Throwable throwable) { 025 if (throwable == null) { 026 return null; 027 } 028 029 StringWriter stringWriter = new StringWriter(); 030 PrintWriter printWriter = new PrintWriter(stringWriter); 031 032 // CHECKSTYLE:OFF 033 throwable.printStackTrace(printWriter); 034 // CHECKSTYLE:ON 035 036 printWriter.flush(); 037 038 StringBuffer stringBuffer = stringWriter.getBuffer(); 039 return stringBuffer.toString(); 040 } 041 042}